Restore firm, dependable braking with the Autospecialty by PowerStop Disc Brake Caliper L4791, a direct-replacement front-left caliper that bolts on in place of the original stock unit with no modifications necessary. It fits the 2000-2005 Ford Excursion, 1999-2004 Ford F-250 Super Duty, and 1999-2004 Ford F-350 Super Duty — see the Buyer's Guide tab for engine-level fitment. The caliper houses the piston that presses the brake pads against the rotor when you apply the brakes.
- Bolt-on ready: installs directly in place of the factory caliper, no modifications required.
- Expertly assembled: built with new seals, guide pins, dust boots, bleeder screws, stainless-steel brake-pad attachment hardware, and mounting bracket.
- Built to endure heat: high-temperature EPDM rubber dust boots and premium assembly lubricant are used for smooth caliper operation and durability in harsh conditions.
- Verified quality: 100% pressure tested and inspected for reliable brake performance.
Sold individually — this listing is for one front-left caliper. For even, balanced braking, it's best practice to service the calipers on the same axle together as a matched set. A worn or sticking caliper can cause uneven pad wear, brake drag, pulling, or a soft pedal.
Frequently Asked Questions
What vehicles does the L4791 caliper fit?
It's a direct-fit replacement for the 2000-2005 Ford Excursion, 1999-2004 Ford F-250 Super Duty, and 1999-2004 Ford F-350 Super Duty. Check the Buyer's Guide tab for engine-level fitment.
Which position is this caliper for?
This is the front-left disc brake caliper. It bolts on directly in place of the original stock caliper with no modifications necessary.
What's included with the caliper?
It's expertly assembled with new seals, guide pins, high-temperature EPDM rubber dust boots, bleeder screws, stainless-steel brake-pad attachment hardware, and a mounting bracket.
Do I need to order more than one?
It's sold individually, so this listing is for one front-left caliper. For even, balanced braking, it's best practice to service both calipers on the same axle together as a matched set.
What are signs my brake caliper may need replacing?
A worn or sticking caliper can cause uneven pad wear, brake drag, pulling to one side, fluid leaks, or a soft pedal. Diagnose the cause before replacing.
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